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21 lines
341 B
Go
Executable File
21 lines
341 B
Go
Executable File
package main
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// fib returns a function that returns
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// successive Fibonacci numbers.
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func fib() func() int {
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a, b := 1, 1
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return func() int {
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a, b = b, a+b
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return b
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}
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}
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func main() {
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f := fib()
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// Function calls are evaluated left-to-right.
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// println(f(), f(), f(), f(), f())
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for i := 0; i <= 9; i++ {
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println(i+2, f())
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}
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}
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